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气陷的病机是()
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下列属于气机失常的病机是
气虚
气滞
气闭
气陷
气脱
气的上升太过所形成的病机是
气滞
气逆
气陷
气闭
气脱
气机失调的病机包括
气闭
气陷
气滞
气逆
气脱
下列各项不属妇科气分病机的是
气虚
气滞
气脱
气逆
气陷
致内脏下垂的病机是
气滞
气逆
气闭
气陷
气脱
气机升降失常的病机包括
气滞
气闭
气脱
气陷
气的上升不及所形成的病机是
气滞
气逆
气陷
气闭
气脱
胃痛发病的关键病机是
气虚
气怯
气陷
气滞
气逆
以下可以解释薄厥病机的是
气滞
气逆
气闭
气脱
气陷
内脏下垂的病机是
气滞
气脱
气陷
气闭
气逆
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Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
移码突变
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
异配性别
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
新生儿溶血症
AmericansnolongerexpectpublicfigureswhetherinspeechorinwritingtocommandtheEnglishlanguagewithskillandgift.Nordotheyaspiretosuchcommandthemselves.InhislatestbookDoingOurOwnThing:TheDegradationofLanguageandMusicandWhyWeShouldLikeCareJohnMcWhorteralinguistandcontroversialistofmixedliberalandconservativeviewsseesthetriumphof1960scounter-cultureasresponsibleforthedeclineofformalEnglish. Blamingthepermissive1960sisnothingnewbutthisisnotyetanothercriticismagainstthedeclineineducation.Mr.McWhorter’sacademicspecialityislanguagehistoryandchangeandheseesthegradualdisappearanceofwhomforexampletobenaturalandnomoreregrettablethanthelossofthecase-endingsofOldEnglish. Butthecultoftheauthenticandthepersonaldoingourownthinghasspeltthedeathofformalspeechwritingpoetryandmusic.Whileeventhemodestlyeducatedsoughtanelevatedtonewhentheyputpentopaperbeforethe1960seventhemostwellregardedwritingsincethenhassoughttocapturespokenEnglishonthepage.Equallyinpoetrythehighlypersonalperformativegenreistheonlyformthatcouldclaimrealliveliness.InbothoralandwrittenEnglishtalkingstriumphingoverspeakingspontaneityovercraft. IllustratedwithanentertainingarrayofexamplesfrombothhighandlowculturethetrendthatMr.McWhorterdocumentsisunmistakable.Butitislesscleartotakethequestionofhissubtitlewhyweshouldlikecare.Asalinguistheacknowledgesthatallvarietiesofhumanlanguageincludingnon-standardoneslikeBlackEnglishcanbepowerfullyexpressive--thereexistsnolanguageordialectintheworldthatcannotconveycomplexideas.Heisnotarguingasmanydothatwecannolongerthinkstraightbecausewedonottalkproper. RussianshaveadeeplovefortheirownlanguageandcarrylargechunksofmemorizedpoetryintheirheadswhileItalianpoliticianstendtoelaboratespeechthatwouldseemold-fashionedtomostEnglish-speakers.Mr.McWhorteracknowledgesthatformallanguageisnotstrictlynecessaryandproposesnoradicaleducationreforms--heisreallygrievingoverthelossofsomethingbeautifulmorethanuseful.WenowtakeourEnglishonpaperplatesinsteadofchina.Ashameperhapsbutprobablyaninevitableone. TowhichofthefollowingstatementswouldMcWhortermostlikelyagree?
孟德尔的植物杂交试验的论文于1866年正式发表后沉睡了34年未受重视直到1900年才被重新发现请简述这段重新发现的史实分析孟德尔的论文被埋没和重新发现的原因并对孟德尔的科学贡献作一简明而全面的评价
标记基因
AmericansnolongerexpectpublicfigureswhetherinspeechorinwritingtocommandtheEnglishlanguagewithskillandgift.Nordotheyaspiretosuchcommandthemselves.InhislatestbookDoingOurOwnThing:TheDegradationofLanguageandMusicandWhyWeShouldLikeCareJohnMcWhorteralinguistandcontroversialistofmixedliberalandconservativeviewsseesthetriumphof1960scounter-cultureasresponsibleforthedeclineofformalEnglish. Blamingthepermissive1960sisnothingnewbutthisisnotyetanothercriticismagainstthedeclineineducation.Mr.McWhorter’sacademicspecialityislanguagehistoryandchangeandheseesthegradualdisappearanceofwhomforexampletobenaturalandnomoreregrettablethanthelossofthecase-endingsofOldEnglish. Butthecultoftheauthenticandthepersonaldoingourownthinghasspeltthedeathofformalspeechwritingpoetryandmusic.Whileeventhemodestlyeducatedsoughtanelevatedtonewhentheyputpentopaperbeforethe1960seventhemostwellregardedwritingsincethenhassoughttocapturespokenEnglishonthepage.Equallyinpoetrythehighlypersonalperformativegenreistheonlyformthatcouldclaimrealliveliness.InbothoralandwrittenEnglishtalkingstriumphingoverspeakingspontaneityovercraft. IllustratedwithanentertainingarrayofexamplesfrombothhighandlowculturethetrendthatMr.McWhorterdocumentsisunmistakable.Butitislesscleartotakethequestionofhissubtitlewhyweshouldlikecare.Asalinguistheacknowledgesthatallvarietiesofhumanlanguageincludingnon-standardoneslikeBlackEnglishcanbepowerfullyexpressive--thereexistsnolanguageordialectintheworldthatcannotconveycomplexideas.Heisnotarguingasmanydothatwecannolongerthinkstraightbecausewedonottalkproper. RussianshaveadeeplovefortheirownlanguageandcarrylargechunksofmemorizedpoetryintheirheadswhileItalianpoliticianstendtoelaboratespeechthatwouldseemold-fashionedtomostEnglish-speakers.Mr.McWhorteracknowledgesthatformallanguageisnotstrictlynecessaryandproposesnoradicaleducationreforms--heisreallygrievingoverthelossofsomethingbeautifulmorethanuseful.WenowtakeourEnglishonpaperplatesinsteadofchina.Ashameperhapsbutprobablyaninevitableone. AccordingtoMcWhorterthedeclineofformalEnglish
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
从突变的分子基础看能否实现定向变异为什么通常从一个野生型基因变成突变型的频率总是显著地高于回复突变率如何解释
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
隔离屏障
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals________thisislargelybecause________animalswestandupright.Thismeansthatournosesare________toperceivingthosesmellswhichfloatthroughtheair________themajorityofsmellswhichsticktosurfaces.Infact________weareextremelysensitivetosmells________wedonotgenerallyrealizeit.Ournosesarecapableof________humansmellsevenwhentheseare________tofarbelowonepartinonemillion. Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother________othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate________smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend________tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell________cansuddenlybecomesensitivetoitwhen________toitoftenenough. Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit________tokeepallsmellreceptorsworkingallthetimebutcan________newreceptorsifnecessary.Thismay________explainwhywearenotusuallysensitivetoourownsmells―wesimplydonotneedtobe.Wearenot________oftheusualsmellofourownhousebutwe________newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors________forunfamiliarandemergencysignals________thesmellofsmokewhichmightindicatethedangeroffire.
用噬菌体P1进行普遍性转导供体菌的标记是pur+nad-pdx+受体菌的标记是put-nad+pdx-转导后选择具有pur+的转导子然后在1000个pur+转导子中检定其他供体菌的标记是否同时转导过来具体结果如下 请问 1.put和nad的共转导频率是多少 2.pur和pdx的共转导频率是多少 3.nad和pdx在pur的同一边还是在它的两侧 4.你能作出这三个标记基因的遗传连锁图吗请在此基础上解释上述的实验结果
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